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[PULL v2 02/27] virtio: make virtio_delete_queue idempotent
From: |
Michael S. Tsirkin |
Subject: |
[PULL v2 02/27] virtio: make virtio_delete_queue idempotent |
Date: |
Mon, 23 Dec 2019 11:41:07 -0500 |
Let's make sure calling this twice is harmless -
no known instances, but seems safer.
Suggested-by: Pan Nengyuan <address@hidden>
Signed-off-by: Michael S. Tsirkin <address@hidden>
---
hw/virtio/virtio.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/hw/virtio/virtio.c b/hw/virtio/virtio.c
index 31dd140990..6de3cfdc2c 100644
--- a/hw/virtio/virtio.c
+++ b/hw/virtio/virtio.c
@@ -2337,6 +2337,7 @@ void virtio_delete_queue(VirtQueue *vq)
vq->handle_output = NULL;
vq->handle_aio_output = NULL;
g_free(vq->used_elems);
+ vq->used_elems = NULL;
}
void virtio_del_queue(VirtIODevice *vdev, int n)
--
MST
- [PULL v2 00/27] virtio, pci, pc: fixes, features, Michael S. Tsirkin, 2019/12/23
- [PULL v2 01/27] virtio: add ability to delete vq through a pointer, Michael S. Tsirkin, 2019/12/23
- [PULL v2 02/27] virtio: make virtio_delete_queue idempotent,
Michael S. Tsirkin <=
- [PULL v2 03/27] virtio-balloon: fix memory leak while attach virtio-balloon device, Michael S. Tsirkin, 2019/12/23
- [PULL v2 04/27] virtio-serial-bus: fix memory leak while attach virtio-serial-bus, Michael S. Tsirkin, 2019/12/23
- [PULL v2 05/27] virtio-input: convert to new virtio_delete_queue, Michael S. Tsirkin, 2019/12/23
- [PULL v2 06/27] intel_iommu: fix bug to read DMAR_RTADDR_REG, Michael S. Tsirkin, 2019/12/23
- [PULL v2 07/27] virtio: update queue size on guest write, Michael S. Tsirkin, 2019/12/23
- [PULL v2 09/27] Implement backend program convention command for vhost-user-blk, Michael S. Tsirkin, 2019/12/23
- [PULL v2 08/27] virtio-pci: disable vring processing when bus-mastering is disabled, Michael S. Tsirkin, 2019/12/23
- [PULL v2 10/27] virtio: don't enable notifications during polling, Michael S. Tsirkin, 2019/12/23
- [PULL v2 11/27] numa: Extend CLI to provide initiator information for numa nodes, Michael S. Tsirkin, 2019/12/23
- [PULL v2 12/27] numa: Extend CLI to provide memory latency and bandwidth information, Michael S. Tsirkin, 2019/12/23